(x^4/3)=81

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Solution for (x^4/3)=81 equation: 


x in (-oo:+oo)

(x^4)/3 = 81 // - 81

(x^4)/3-81 = 0

1/3*x^4 = 81 // : 1/3

x^4 = 243

x^4 = 243 // ^ 1/4

abs(x) = 3*3^(1/4)

x = 3*3^(1/4) or x = -(3*3^(1/4))

x in { 3*3^(1/4), -(3*3^(1/4)) }

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